Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LSC 71889 found under Spring Constant For by Lee Spring Co Inc. The National Stock Number assigned to this part is 5360015607544, and the Federal Supply Class is 5360 Coil Flat Leaf And Wire Springs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LSC 71889.